FBI Season 4 Episode 20
Ghost from the Past
The murder of a TSA agent leads the team to hunt down a killer who is using drug mules to exploit airport security checkpoints. Also, OA struggles to cope with the aftermath of the sarin gas exposure and the 10th anniversary of his army friend's death in Afghanistan.
Guest Stars
Shantel VanSanten
Nina Chase
Vedette Lim
Elise Taylor
Taylor Anthony Miller
Kelly Moran
James Chen
Ian Lim
Anthony Azizi
Jem Polat